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CAS 1480887-56-6
methyl 5'-methoxy-3'-oxo-1',2',3',6'-tetrahydro-[1,1'-biphenyl]-4-carboxylate
Codes：PRAL-023
Application context (from source-drug indications)
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Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| 普拉曲沙Pralatrexate | Tier C — Watch / trade | - |
Position in synthesis routes (up/downstream chain)
Ordered by route registration; left → right is the synthesis direction. The highlighted node is the current CAS; others link to their own profiles.
methyl 4-formylbenzoate→methyl 4-(8-methoxy-6,8-dioxooct-1-yn-4-yl)benzoate→methyl (E)-4-(3-oxobut-1-en-1-yl)benzoate→dimethyl malonate→sodium 2,4'-bis(methoxycarbonyl)-5-oxo-1,2,5,6-tetrahydro-[1,1'-biphenyl]-3-olate→5'-hydroxy-3'-oxo-1',2',3',6'-tetrahydro-[1,1'-biphenyl]-4-carboxylic acid→methyl 5'-methoxy-3'-oxo-1',2',3',6'-tetrahydro-[1,1'-biphenyl]-4-carboxylate→methyl 5'-chloro-3'-oxo-1',2',3',6'-tetrahydro-[1,1'-biphenyl]-4-carboxylate→sodium (Z)-4-methoxy-4-oxobut-2-en-2-olate→methyl 5'-(2-methoxy-2-oxoethyl)-3'-oxo-1',2',3',6'-tetrahydro-[1,1'-biphenyl]-4-carboxylate→4-nitrobenzenesulfonohydrazide
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